class Gem::Resolver::RequirementList
The RequirementList
is used to hold the requirements being considered while resolving a set of gems.
The RequirementList
acts like a queue where the oldest items are removed first.
Public Class Methods
new
()
Creates a new RequirementList
.
# File lib/rubygems/resolver/requirement_list.rb, line 16 def initialize @exact = [] @list = [] end
Public Instance Methods
add
(req)
Adds Resolver::DependencyRequest req
to this requirements list.
# File lib/rubygems/resolver/requirement_list.rb, line 29 def add(req) if req.requirement.exact? @exact.push req else @list.push req end req end
empty?
()
Is the list empty?
# File lib/rubygems/resolver/requirement_list.rb, line 63 def empty? @exact.empty? && @list.empty? end
next5
()
Returns the oldest five entries from the list.
# File lib/rubygems/resolver/requirement_list.rb, line 78 def next5 x = @exact[0,5] x + @list[0,5 - x.size] end
remove
()
Remove the oldest DependencyRequest from the list.
# File lib/rubygems/resolver/requirement_list.rb, line 70 def remove return @exact.shift unless @exact.empty? @list.shift end
size
()
How many elements are in the list
# File lib/rubygems/resolver/requirement_list.rb, line 56 def size @exact.size + @list.size end